docs: def copy_assets(app, exception):
      """ Copy asset files to the output """
      if 'getLogger' in dir(logging):
          log = logging.getLogger(__name__).info  # pylint: disable=no-member
      else:
          log = app.info
      builders = get_compatible_builders(app)
      if exception:
          return
      if app.builder.name not in builders:
          if not app.config['sphinx_tabs_nowarn']:
              app.warn(
                  'Not copying tabs assets! Not compatible with %s builder' %
                  app.builder.name)
          return
  
      log('Copying tabs assets')
  
      installdir = os.path.join(app.builder.outdir, '_static', 'sphinx_tabs')
  
      for path in FILES:
          source = resource_filename('sphinx_tabs', path)
          dest = os.path.join(installdir, path)
  
          destdir = os.path.dirname(dest)
          if not os.path.exists(destdir):
              os.makedirs(destdir)
  
          copyfile(source, dest)